How to align textviews when listviews are null?

Question

So here is my problem:

I have here an edittext, 2 textviews and 2 listviews. The functionality of this activity is a search activity. when you type a certain word or phrase, there can be a result in either in Tools or Articles. My main problem is, when both tools and articles cannot find that word, I want the one in the red box, be something like this:

but I don't know how. I tried hiding the listviews but still I failed. So can you help me with this matter? Here is the xml file:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:background="@color/white"
    android:orientation="vertical" >

    <RelativeLayout
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:background="@drawable/navbar_search"
        android:paddingLeft="5dp" >

        <ImageView
            android:id="@+id/buttonBack"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentLeft="true"
            android:layout_centerVertical="true"
            android:src="@drawable/btn_back" />
    </RelativeLayout>

    <RelativeLayout
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:background="@color/violet"
        android:padding="5dp" >

        <EditText
            android:id="@+id/editTextSearch"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:hint="@string/hint_search"
            android:paddingLeft="35dp" >
        </EditText>

        <ImageView
            android:id="@+id/imageView1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignLeft="@+id/editTextSearch"
            android:layout_centerVertical="true"
            android:layout_marginLeft="5dp"
            android:src="@drawable/search" />
    </RelativeLayout>

    <RelativeLayout
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:layout_weight="1"
        android:background="@color/blue"
        android:paddingLeft="10dp"
        android:paddingRight="10dp"
        android:paddingTop="5dp" >

        <TextView
            android:id="@+id/textArticlesResult"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:text="@string/label_articles"
            android:textAppearance="?android:attr/textAppearanceMedium"
            android:textColor="@color/black"
            android:textStyle="bold" />

        <ListView
            android:id="@+id/listViewArticlesResult"
            android:layout_width="fill_parent"
            android:layout_height="fill_parent"
            android:layout_below="@+id/textArticlesResult"
            android:cacheColorHint="@color/white"
            android:scrollbars="none" 
            android:visibility="gone" >
        </ListView>
    </RelativeLayout>
    <RelativeLayout
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:layout_weight="1"
        android:background="@color/blue"
        android:paddingLeft="10dp"
        android:paddingRight="10dp"
        android:paddingTop="5dp" >

        <TextView
            android:id="@+id/textToolsResult"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_alignParentTop="true"
            android:text="@string/label_tools"
            android:textAppearance="?android:attr/textAppearanceMedium"
            android:textColor="@color/black"
            android:textStyle="bold" />

        <ListView
            android:id="@+id/listViewToolsResult"
            android:layout_width="fill_parent"
            android:layout_height="fill_parent"
            android:layout_below="@+id/textToolsResult"
            android:cacheColorHint="@color/white"
            android:scrollbars="none" >
        </ListView>
    </RelativeLayout>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="46dp" >

        <ImageView
            android:id="@+id/tabHome"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:contentDescription="@string/desc"
            android:scaleType="fitXY"
            android:src="@drawable/tab_home_unselected" />

        <ImageView
            android:id="@+id/tabFb"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:contentDescription="@string/desc"
            android:scaleType="fitXY"
            android:src="@drawable/tab_fb_unselected" />

        <ImageView
            android:id="@+id/tabSearch"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:contentDescription="@string/desc"
            android:scaleType="fitXY"
            android:src="@drawable/tab_search_selected" />

        <ImageView
            android:id="@+id/tabFaves"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:contentDescription="@string/desc"
            android:scaleType="fitXY"
            android:src="@drawable/tab_myfaves_unselected" />

        <ImageView
            android:id="@+id/tabSettings"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:contentDescription="@string/desc"
            android:scaleType="fitXY"
            android:src="@drawable/tab_settings_unselected" />
    </LinearLayout>

</LinearLayout>

Answer 1

What I've done is to programatically hide the view. In my case, I wanted to hide the TextView when the content provider returned an empty string. Do this by:

TextView address = (TextView) findViewById(R.id.address);
address.setVisibility(View.GONE);

Don't forget to re-enable the TextView when you get a non-empty string by:

address.setVisibility(View.VISIBLE);

Note that View.INVISIBLE will only make the TextView disappear. View.GONE makes it so the TextView isn't even accounted for in the layout.